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Finding the Fourth Proportional to 70,007.67, 104,992.65 and 25,634.66

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Solution

The fourth proportional to 70,007.67, 104,992.65 and 25,634.66 is: 38,445.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,007.67 : 104,992.65 = 25,634.66 : x
  2. Step 2: Convert to fraction form
    70,007.67/104,992.65 = 25,634.66/x
  3. Step 3: Cross multiply
    70,007.67x = 104,992.65 × 25,634.66
  4. Step 4: Simplify right side
    70,007.67x = 2,691,450,360.29
  5. Step 5: Solve for x
    x = 2,691,450,360.29/70,007.67
  6. Step 6: Final answer
    x = 38,445.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.